SSL/TLS Certificate Lookup

Check a domain's SSL/TLS certificate — who issued it, when it expires, and whether the chain is trusted

fhmaster.ch

SSL/TLS Certificate

WhoisRDAPDNS RecordsCertificateUptimeDiagnosticsHistoryHide Contact Info

SSL/TLS Certificate for fhmaster.ch

Valid
Issued by (CA)
Let's Encrypt
Subject
fhmaster.ch
Valid from
Jul 8, 2026
Valid until
Oct 6, 2026 (77 days remaining)
Public key
RSA 2048-bit
Serial
0593F1C5B662532B8F80037FDC2FFD7FA0F7
SHA-256 fingerprint
7F:91:DF:8A:08:07:8A:C6:AB:02:89:2F:D6:D6:3A:6F:2B:52:B8:6E:6F:C4:CB:B3:27:F3:7B:20:12:19:9E:23
Chain
YR2 → Root YR → ISRG Root X1
Subject Alternative Names (8)
fhmaster.ch, hesmaster.ch, supmaster.ch, uasmaster.ch, www.fhmaster.ch, www.hesmaster.ch, www.supmaster.ch, www.uasmaster.ch

Certificate Authority Authorization (CAA)

No CAA policy is published for this domain — any certificate authority may issue for it.